diff --git a/pkg/types/types.go b/pkg/types/types.go
index 9fecfd99e..2f703c186 100644
--- a/pkg/types/types.go
+++ b/pkg/types/types.go
@@ -14,13 +14,6 @@ type ClusterID uint32
 
 var _ fmt.Stringer = (*ClusterID)(nil)
 
-func NewClusterIDFromUint(u uint) (ClusterID, error) {
-	if u > math.MaxUint32 {
-		return 0, fmt.Errorf("cluster id overflow %v", u)
-	}
-	return ClusterID(u), nil
-}
-
 func ParseClusterID(s string) (ClusterID, error) {
 	id, err := strconv.ParseUint(s, 10, 32)
 	return ClusterID(id), err
diff --git a/pkg/types/types_test.go b/pkg/types/types_test.go
index c33d16768..0d1842db9 100644
--- a/pkg/types/types_test.go
+++ b/pkg/types/types_test.go
@@ -2,8 +2,6 @@ package types
 
 import (
 	"fmt"
-	"math"
-	"math/rand"
 	"strings"
 	"testing"
 
@@ -16,23 +14,6 @@ func TestMain(m *testing.M) {
 	goleak.VerifyTestMain(m)
 }
 
-func TestClusterID(t *testing.T) {
-	Convey("ClusterID", t, func() {
-		Convey("Too large number", func() { // 64bit processor
-			var number uint = math.MaxUint32 + 1
-			_, err := NewClusterIDFromUint(number)
-			So(err, ShouldNotBeNil)
-		})
-
-		Convey("Valid number", func() {
-			for i := 0; i < 10000; i++ {
-				_, err := NewClusterIDFromUint(uint(rand.Uint32()))
-				So(err, ShouldBeNil)
-			}
-		})
-	})
-}
-
 func TestTypesStorageNodeID(t *testing.T) {
 	assert.True(t, StorageNodeID(-1).Invalid())
 	assert.True(t, StorageNodeID(0).Invalid())